ASTM A514 Steel, Grade T

ASTM A514 Steel, Grade T Product Information -:- For detailed product information, please contact sales. -: ASTM A514 Steel, Grade T Synonyms -:- For detailed product information, please contact sales. -:

ASTM A514 Steel, Grade T Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A514 Steel, Grade T** #### **1. Overview** ASTM A514 Grade T is a premium high-strength quenched and tempered alloy steel plate offering exceptional mechanical properties for the most demanding structural applications. This grade represents one of the highest strength levels in the A514 specification, providing superior performance in applications where maximum strength-to-weight ratio and excellent toughness are required. #### **2. Key International Standards** - **Primary Standard:** **ASTM A514/A514M** - Standard Specification for High-Yield-Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding - **Processing Condition:** Supplied in quenched and tempered condition - **International Equivalents:** - **EN 10025-6:** S690Q/S890Q (European high-strength steel equivalents) - **JIS G3128:** SHY685 (Japanese high-strength steel) - **GB/T 16270:** Q690D (Chinese high-strength steel with low temperature impact requirements) #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.15-0.21 | | Manganese (Mn) | 0.95-1.30 | | Silicon (Si) | 0.40-0.80 | | Chromium (Cr) | 0.40-0.65 | | Molybdenum (Mo) | 0.20-0.30 | | Vanadium (V) | 0.03-0.08 | | Boron (B) | 0.001-0.005 | | Nickel (Ni) | 0.25-0.50 | | Phosphorus (P), max | 0.035 | | Sulfur (S), max | 0.035 | *Note: The enhanced alloy package including nickel provides superior hardenability and toughness characteristics.* #### **4. Mechanical & Physical Properties** **Mechanical Properties:** - **Tensile Strength:** 790-930 MPa (115-135 ksi) - **Yield Strength (min):** 690 MPa (100 ksi) - **Elongation in 2" (min):** 18% - **Reduction of Area (min):** 40% - **Charpy V-Notch Impact:** 54 J @ -40°C (40 ft-lb @ -40°F) min **Physical Properties:** - **Density:** 7.85 g/cm³ (0.284 lb/in³) - **Modulus of Elasticity:** 200 GPa (29,000 ksi) - **Thermal Conductivity:** 41.5 W/m·K (at 100°C) - **Coefficient of Thermal Expansion:** 11.4 × 10⁻⁶/K (20-100°C) - **Poisson's Ratio:** 0.29 #### **5. Product Applications** - **Heavy Construction Machinery:** Crane booms, excavator arms, heavy lifting equipment - **Mining Equipment:** Shovel dippers, dragline components, mining truck frames - **Structural Applications:** Bridge components, offshore structures - **Material Handling:** Heavy-duty forklift masts, container handling equipment - **Defense Applications:** Military vehicle components, armor support structures #### **6. Key Characteristics & Advantages** - **Exceptional Strength:** Minimum yield strength of 690 MPa (100 ksi) - **Superior Toughness:** Excellent impact resistance at low temperatures - **Good Weldability:** Suitable for welding with proper procedures and consumables - **Fatigue Resistance:** Outstanding performance under dynamic loading conditions - **Weight Reduction:** Enables significant weight savings in structural designs #### **7. Fabrication Considerations** - **Welding:** Requires strict control of pre-heat (175-225°C) and interpass temperatures - **Forming:** Good formability when proper bending radii are maintained - **Machining:** Requires appropriate tooling and cutting parameters - **Thermal Cutting:** Oxy-fuel and plasma cutting applicable with proper techniques #### **8. Quality Assurance** - **Testing:** Comprehensive mechanical testing including impact tests - **Inspection:** Ultrasonic testing per supplementary requirements - **Certification:** Full traceability with mill test certificates - **Surface Quality:** Strict surface inspection standards ASTM A514 Grade T provides engineers with a superior high-strength steel solution for the most challenging applications where maximum structural efficiency, durability, and reliability are essential for safe and successful operation in extreme service conditions. -:- For detailed product information, please contact sales. -: ASTM A514 Steel, Grade T Specification Dimensions Size： Diameter 20-1000 mm Length <4401 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: ASTM A514 Steel, Grade T Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A514 Steel, Grade T -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A514 Steel, Grade T -:- For detailed product information, please contact sales. -:

Packing of ASTM A514 Steel, Grade T -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 872 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition